Individual provider Active NPI

Caitlin Griffin Porter, PA-C

  • Physician Assistant
  • Lake Forest, IL
National Provider Identifier
1639574155
Registry record updated Feb 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
085.005224 Issued in IL
Practice address
959 S Waukegan Rd FL 2
Lake Forest, IL 60045-2654
Phone
(847) 234-3250
Fax
(847) 234-7765
NPI assigned
Oct 27, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 2, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 085.005224 IL Primary

Addresses

Primary practice location

959 S Waukegan Rd FL 2
Lake Forest, IL 60045-2654

Mailing address

604 Dawes St
Libertyville, IL 60048-3106
Phone (847) 234-3250

Other practice location 1

36100 N Brookside Dr Ste 204
Gurnee, IL 60031-4573
Phone (847) 234-3250

Other identifiers 1

IdentifierTypeStateIssuer
085005224OtherILSTATE LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20150203000824 IL Practitioner - Physician Assistant 8820313489 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
OB-Gyne Associates of Lake Forest LTDGroup PAC ID 2769474568, 8 clinicians

Practice addresses (Care Compare)

959 S Waukegan Rd
Suite 2
Lake Forest, IL 60045-2654
Phone (847) 234-3250

Hospital & facility affiliations

  • Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130

Merit-based Incentive Payment System (MIPS)

Final score
93.41 of 100Reported as group
Quality
86.81
Improvement activities
40
Cost
77.34

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
085.005224ILMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Cepamerica Illinois LLP CurrentSince Dec 5, 2023 Accepting new patients
Northwest Community Health Services Inc Physician Assistant CurrentSince Apr 1, 2022 Accepting new patients
OB-Gyne Associates of Lake Forest, LTD. CurrentSince Feb 16, 2026 Accepting new patients
Northwest Community Health Services Inc Physician Assistant CurrentSince Apr 1, 2022 Accepting new patients
Endeavor Health Medical Group CurrentSince Nov 9, 2023 Accepting new patients
Cepamerica Illinois LLP CurrentSince Dec 5, 2023 Accepting new patients
Pediatrust, L.L.C. PastSince Feb 16, 2026 Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

880 W Central Rd
Ste 6200
Arlington Heights, IL 60005
Phone (847) 618-0730

1051 W Rand Rd
Arlington Hts, IL 60004
Phone (847) 221-4601

1450 Busch Pkwy
Buffalo Grove, IL 60089
Phone (847) 459-7860

9532 Eagle Way
Chicago, IL 60678

25233 Network Pl
Chicago, IL 60673

1425 N Randall Rd
Elgin, IL 60123
Phone (224) 783-5437

2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

36100 N Brookside Dr
Ste 204
Gurnee, IL 60031
Phone (847) 234-3250

959 S Waukegan Rd
#2
Lake Forest, IL 60045
Phone (847) 234-3250

801 S Milwaukee Ave
Libertyville, IL 60048
Phone (847) 362-2900

20201 Crawford Ave
Olympia Flds, IL 60461
Phone (708) 503-3857

Interoperability endpoints

  • Direct secure messaging: cporter148664@direct.nch.org
  • Direct secure messaging: caitlin.porter.1@20105.direct.athenahealth.com

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1414368000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1639574155",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "604 DAWES ST",
            "city": "LIBERTYVILLE",
            "state": "IL",
            "postal_code": "600483106",
            "telephone_number": "847-234-3250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "959 S WAUKEGAN RD FL 2",
            "city": "LAKE FOREST",
            "state": "IL",
            "postal_code": "600452654",
            "telephone_number": "847-234-3250",
            "fax_number": "847-234-7765"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "36100 N Brookside Dr Ste 204",
            "address_purpose": "LOCATION",
            "city": "Gurnee",
            "state": "IL",
            "postal_code": "600314573",
            "country_code": "US",
            "telephone_number": "847-234-3250",
            "fax_number": "847-234-7765",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PORTER",
        "first_name": "CAITLIN",
        "middle_name": "GRIFFIN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-10-27",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085.005224",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "085005224",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Forest, IL

Sources for this page

Verify at the official NPI Registry.